JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M21 x 0.5 S&E Suitable for finishing drilled holes

Suitable for finishing drilled holes to exact size

reliable go/no-go check to ensure parts conform to the M38 x 1

helping to manage heat and extend tool life when working on tough

reducing rework and improving part quality in mold and die applications

quality-assured assemblies fast

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M21 x 0.5 S&E Suitable for finishing drilled holesThe JBO Thread Ring Gauge (NoGo) Metric Fine is a precision inspection tool designed to verify external thread diameters on fasteners and threaded components. Built for engineers, quality control professionals, machinists, and workshop technicians, it provides reliable Go NoGo checks to confirm adherence to exact M21 x 0. 5, right hand, 6g specifications. Crafted from hardened steel, this gauge delivers long lasting performance in demanding